发明名称 Array of ultrasound transducers
摘要 The invention relates to an array of ultrasound transducers which each comprise a substrate (1), a membrane (2), a first electrode (4), a piezoelectric layer (5), and a second electrode (6), wherein the substrate (1) comprises at least one opening (3) which adjoins the membrane (2) at one side, while the piezoelectric layer (5) has a high piezoelectric coupling coefficient k and is textured. The invention further relates to an ultrasound transducer and to a method of manufacturing an array of ultrasound transducers.
申请公布号 US6515402(B2) 申请公布日期 2003.02.04
申请号 US20010768564 申请日期 2001.01.24
申请人 KONINKLIJKE PHILIPS ELECTRONICS N.V. 发明人 KLEE MAREIKE;SCHLENKER TILMAN;DANNAPPEL OLAF;LOEBL HANS-PETER;SCHMITZ GEORG;FRASER JOHN
分类号 H04R17/00;B06B1/06;H01L41/08;H01L41/09;H01L41/187;H01L41/22;H02N2/00;(IPC1-7):H01L41/08 主分类号 H04R17/00
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